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Best Times to Visit Boulder

The best times to visit Boulder are January to March and June to August. Although the city can be pleasurable at any time of year (its high elevation ensures a mild climate), Boulder's winter and summer seasons experience the most consistently enviable weather and numerous festivals. Winter can be cold, but ample amounts of fresh powder dumped on nearby mountains call to skiers and snowboarders. And though the summer months often see temperatures in the high 80s, cooler air in the mountains makes for some great hiking conditions. The spring and fall are much less predictable, with rain showers punctuating otherwise temperate days and overnight chills leaving layers of frost on the mountains. Whenever you decide to visit, plan to dress in layers so you're ready for all temperatures.

Weather in Boulder switch to Celsius/mm

Average Temperature (°F)

Average Precipitation (in)

Data sourced from the National Climatic Data Center

January-March

Those in town to ski will find primo powder gracing Boulder's nearby slopes in late winter and early spring, especially in March. But with so many people flocking to the mountains, you should expect to pay a pretty penny for a place to hang your hat. You have a better chance of finding room deals if you can swing a mid-week visit.

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April-May

Springtime is best described as unpredictable  April can bring anything from heavy snowfall to sporadic downpours to warm, sunny days. Average highs range from the mid-60s to the low 70s, although freezing temperatures are not unusual at night. However, spring's unpredictable weather deters tourists, meaning that those brave enough to take their chances will find low hotel rates.

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June-August

There's no question as to why visitors swarm this quaint college town in the summer. With average highs in the mid-80s and a low chance of rain, the great outdoors are practically calling your name. However, you won't be the only one scrambling for some space on Boulder's trails or, more importantly, in the city's hotels. Make sure to book at least a month in advance.

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September-December

As the summer dissipates, Boulder experiences a rejuvenation of its authentic spirit, saying goodbye to tourists and hello to returning students. Like spring, autumn is short and fickle with average temperatures clocking in anywhere from the 20s to the 70s, depending on the month. However, the sun shines brightly and the fall colors make a great backdrop for a hike or bike ride. Meanwhile, the first snowfall triggers the arrival of the powder hounds, though you're less likely to see members of the winter sports crowd in November and December than you are after the holiday season.

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